CJ7812F Datasheet, PDF (1/3 Pages) Jiangsu Changjiang Electronics Technology Co., Ltd – Three-terminal positive voltage regulator

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-220F Plastic-Encapsulate Voltage Regulators
CJ7812F Three-terminal positive voltage regulator
FEATURES
z Maximum output current
I_OM:1.5 A
z ^{Output voltage}
V_O: 12 V
z ^{Continuous total dissipation}
P_D: 1.5W (T_a= 25 ℃ )
TO-220F
1.IN
2.GND
3.OUT
1₂₃
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Valu
Unit
Input Voltage
V_i
35
V
Thermal Resistance from Junction to Ambient
Operating Junction Temperature Range
R_θJA
T_OPR
66.7
-25~+125
℃/W
℃
Storage Temperature Range
T_STG
-65~+150
℃
ELECTRICALCHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE (Vi=19V, Io=500mA, Ci=0.33μF, Co=0.1μF, unless otherwise specified )
Parameter
Output Voltage
Load Regulation
Symbol
Vo
∆Vo
Test conditions
25℃
Io= 5mA-1A,
14.5V≤ V_i ≤27V
-25-125℃
14.5V≤ Vi ≤30V
25℃
16V≤V_i≤22V
25℃
Min
11.5
11.4
Typ
12.0
12.0
10
3
Max
12.5
12.6
240
120
Unit
V
V
mV
mV
Line Regulation
Quiescent Current
Quiescent Current Change
Output Voltage Drift
∆Vo
Iq
∆Iq
△Vo/△T
I_O=5mA -1.5A
I_O=250mA - 750mA
5.0mA≤ I_O ≤1.0A
14.5V ≤V_i≤ 30V
I_O=5mA
25℃
25℃
25℃
-25-125℃
-25-125℃
-25-125℃
12
240
mV
4
120
mV
4.3
8
mA
0.5
mA
1.0
mA
-1
mV/℃
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V_N
f =10Hz to 100KHz
25℃
75
RR
f =120Hz, 15V≤ V_i ≤25V -25-125℃ 55
71
V_d
I_O=1.0A
25℃
2
R_O
f = 1KHz
-25-125℃
18
Isc
25℃
350
Ipk
25℃
2.2
μV/Vo
dB
V
mΩ
mA
A
* Pulse test.
TYPICAL APPLICATION
Vi
1
3
Vo
CJ7812F
2
Ci
0.33μF
Co
0.1μF
Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
possible to the regulators.
www.cj-elec.com
1
G,Jun,2016